#plantpathology #agriculture #cropmanagement #diseaseprevention #nematodes #genetics #crops #farming
I-Tobacco Rattle Virus (TRV) iyigciwane lesitshalo elingathelela izinhlobo zezitshalo ezingaphezu kuka-400. Ivame ukutholakala emasimini ezolimo futhi ingabangela umonakalo omkhulu ezitshalweni, okuholela ekulahlekelweni kwezomnotho kubalimi. Kulesi sihloko, sizohlola ukuthuthukiswa kanye nemiphumela yokutheleleka kwe-TRV futhi sixoxe ngezindlela zokuthuthukisa isihloko esikusixhumanisi.
I-TRV igciwane elithwala umhlabathi elisakazwa yi-nematode yezimpande eziqinile. Uma sezingenwe yilesi sifo, izitshalo zingase zibonise izimpawu ezinjengokushuba, amaphethini e-mosaic emaqabunga, nokushintsha kombala kwezimpande. Lezi zimpawu zingahluka kuye ngohlobo lwesitshalo esingenwe yilesi sifo kanye nobukhulu besifo. Igciwane lingase libe nomthelela eqophelweni lezitshalo, okuholela ekwehleni kwesivuno kanye nenani lemakethe.
Enye indlela yokunciphisa umthelela wezifo ze-TRV ngokuvimbela. Abalimi bangathatha izinyathelo zokunciphisa ingozi yokudluliselwa kwe-TRV ngokusebenzisa ukujikeleza kwezitshalo, ukuvala inzalo yomhlabathi, nokusebenzisa izinhlobo zezitshalo ezimelana ne-nematode. Ukwengeza, ukutholakala kusenesikhathi kwezifo ze-TRV kungasiza ekuvimbeleni ukusabalala kwegciwane kwezinye izitshalo.
Imiphumela yokutheleleka kwe-TRV idlulela ngale kwemboni yezolimo. Abacwaningi futhi bebefunda i-TRV njengethuluzi elingaba khona lokuthulisa isakhi sofuzo ezitshalweni. Lolu cwaningo lunamandla okuholela ekwakhiweni kwezinhlobo zezitshalo ezintsha nezithuthukisiwe ezimelana nezinambuzane nezifo.
I-TRV iyigciwane lesitshalo elibalulekile elingaba nomthelela omubi embonini yezolimo. Kodwa-ke, ngokuvimbela nokutholwa kusenesikhathi, ukusabalala kwegciwane kungancishiswa. Ukwengeza, ucwaningo oluqhubekayo lwe-TRV lungaholela ekwakhiweni kwezixazululo ezintsha nezintsha zokuvikela izitshalo.